Alert archive / Georgia / Flash Flood Warnings in 2018
Flash Flood Warning 16, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at May 31, 2018, 2:09 PM EDT for White County, Georgia. It was in force for 6 hr. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 31, 2018, 2:09 PM EDT (18:09 UTC)
- Expired
- May 31, 2018, 8:15 PM EDT
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Flood severity
- None
County White County, GA
The radar
The Greer radar (KGSP), 135 km from the middle of the area, began a volume at 18:12 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 31, 3:55 PM EDT | FLASH FLOOD | 3 Sw Sautee, GA | CAROLINA SPRINGS RD REPORTED UNDERWATER. |
| May 31, 5:00 PM EDT | FLASH FLOOD | 2 Sw Robertstown, GA | THE ROAD THROUGH SMITHGALL WOODS STATE PARK WAS DAMAGED BY HEAVY RAIN AND FLASH FLOODING WITH MULTIPLE MUDSLIDES REPORTED IN THE PARK. |
| May 31, 5:00 PM EDT | FLASH FLOOD | Helen, GA | MULTIPLE REPORTS OF FLOODING IN THE CITY OF HELEN INCLUDING ALONG THE MAIN STREET AND NEAR THE WATER PARK. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.2 hours before the alert went out and 163 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 909 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 490 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
365
WGUS52 KFFC 311809
FFWFFC
GAC311-010015-
/O.NEW.KFFC.FF.W.0016.180531T1809Z-180601T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Peachtree City GA
209 PM EDT THU MAY 31 2018
The National Weather Service in Peachtree City has issued a
* Flash Flood Warning for...
East central White County in northeastern Georgia...
* Until 815 PM EDT Thursday.
* At 208 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to two inches of rain have
already fallen with another one to two inches possible. Flash
flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Helen, Sautee and Smithgall Woods Conservation Are.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3469 8364 3467 8365 3467 8364 3466 8366
3462 8364 3460 8364 3466 8379 3471 8377
$$1 follow-up statement
615
WGUS72 KFFC 311835
FFSFFC
Flash Flood Statement
National Weather Service Peachtree City GA
235 PM EDT THU MAY 31 2018
GAC311-010015-
/O.CON.KFFC.FF.W.0016.000000T0000Z-180601T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
White GA-
235 PM EDT THU MAY 31 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
EAST CENTRAL WHITE COUNTY...
At 231 PM EDT, a trained weather spotter reported over two inches of
rainfall that occurred in 60 minutes southwest of Sautee. Locally
higher amounts are likely and flash flooding is expected to begin
shortly as the thunderstorms and abnormally heavy downpour rain
continue to train over the same area.
Some locations that will experience flooding include...
Helen, Sautee and Smithgall Woods Conservation Are.
Additional rainfall amounts of two to three inches are possible in
the warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and thunderstorms producing heavy
rain creeks should take immediate precautions to protect life and
property.
&&
LAT...LON 3469 8364 3467 8365 3467 8364 3466 8366
3462 8364 3460 8364 3466 8379 3471 8377
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 8:43 PM EDT | Special Weather Statement | FFC | Dawson | 32 min |
| May 30, 9:20 PM EDT | Special Weather Statement | FFC | White | 40 min |
| May 30, 10:39 PM EDT | Special Weather Statement | FFC | Crawford, Macon | 36 min |
| May 30, 11:13 PM EDT | Special Weather Statement | FFC | Crawford, Monroe, Schley, Taylor | 47 min |
| May 31, 12:07 AM EDT | Special Weather Statement | FFC | Butts, Crawford, Jasper, Lamar, Macon, Monroe and 5 more | 53 min |
| May 31, 12:45 AM EDT | Flash Flood Warning | FFC | Crawford, Talbot, Taylor, Upson | 6 hr |
| May 31, 1:54 AM EDT | Special Weather Statement | FFC | Houston, Pulaski | 66 min |
| May 31, 1:45 PM EDT | Special Weather Statement | FFC | White | 30 min |
| May 31, 2:17 PM EDT | Special Weather Statement | FFC | Carroll | 28 min |
| May 31, 2:43 PM EDT | Special Weather Statement | FFC | White | 32 min |
| May 31, 2:51 PM EDT | Flash Flood Warning | FFC | White | 6 hr |
| May 31, 3:07 PM EDT | Special Weather Statement | FFC | Whitfield | 38 min |
| May 31, 3:12 PM EDT | Special Weather Statement | FFC | Fannin, Towns, Union | 33 min |
| May 31, 3:20 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Whitfield | 40 min |
| May 31, 3:33 PM EDT | Special Weather Statement | FFC | White | 27 min |
| May 31, 3:46 PM EDT | Special Weather Statement | FFC | Fannin, Union | 29 min |
| May 31, 3:58 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa, Whitfield | 47 min |
| May 31, 4:07 PM EDT | Special Weather Statement | FFC | White | 38 min |
| May 31, 4:09 PM EDT | Flash Flood Warning | FFC | White | 6 hr |
| May 31, 4:16 PM EDT | Special Weather Statement | FFC | Gilmer, Union | 29 min |
| May 31, 4:36 PM EDT | Severe Thunderstorm Warning | FFC | White | 39 min |
| May 31, 4:52 PM EDT | Special Weather Statement | FFC | Dawson, Gordon, Lumpkin, Pickens | 38 min |
| May 31, 4:59 PM EDT | Special Weather Statement | FFC | Gwinnett | 31 min |
| May 31, 5:38 PM EDT | Special Weather Statement | FFC | Banks, Cherokee, Dawson, Gordon, Hall, Pickens | 22 min |
| May 31, 5:54 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee, Dawson, Forsyth, Pickens | 24 min |
| May 31, 6:02 PM EDT | Severe Thunderstorm Warning | FFC | Banks, Hall, Jackson | 20 min |
| May 31, 6:19 PM EDT | Special Weather Statement | FFC | Heard | 26 min |
| May 31, 6:24 PM EDT | Special Weather Statement | FFC | Madison | 36 min |
| May 31, 6:53 PM EDT | Special Weather Statement | FFC | Oglethorpe | 37 min |
| May 31, 7:00 PM EDT | Special Weather Statement | FFC | Wilkes | 30 min |
| May 31, 7:10 PM EDT | Special Weather Statement | FFC | Walton | 35 min |
| May 31, 7:51 PM EDT | Special Weather Statement | FFC | Greene, Jasper, Morgan, Newton, Rockdale | 24 min |
Nearby
Flash Flood Warnings in Georgia, 2018Every flash flood warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.